diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4307f11..c94cd42 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,13 +11,8 @@ jobs:
     continue-on-error: true
     strategy:
       matrix:
-        ruby: [ "3.3", "3.2", "3.1", "3.0" ]
-        rails: [ "7.0", "6.1"]
-        include:
-          - { ruby: "2.7", rails: "6.0" }
-          - { ruby: "2.7", rails: "5.2" }
-          - { ruby: "2.7", rails: "5.1" }
-          - { ruby: "2.7", rails: "5.0" }
+        ruby: [ "3.4", "3.3", "3.2", "3.1" ]
+        rails: [ "8.0", "7.1", "7.0", "6.1" ]
     name: "tests (Ruby: ${{ matrix.ruby }}, Rails: ${{ matrix.rails }})"
     runs-on: ubuntu-latest
     env: